SMCJ90CA-TP Circuit Protection

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Transient Voltage Suppressor Diodes, or TVS Diodes are unidirectional electrical components designed to provide overvoltage protection from power lines and other applications on PCBs, motherboards, and other circuit boards. The SMCJ90CA-TP is a small, discreet TVS diode designed for surface-mount applications. It is rated for 90V and has a surge capability of up to 4380 Watts.

The SMCJ90CA-TP is a low-capacitance, low-clamping monopolar joule transient voltage suppressor (TVS) diode, designed to protect components and systems from overvoltage pulses. It can protect a variety of lines in the form of high-speed data communications, telecommunication ports, and power lines carrying AC or DC voltage. The SMCJ90CA-TP is a unidirectional device that can protect circuits from voltage-induced transients including load dump, electrostatic discharges (ESD), cable discharge events (CDE), and lightening induced surges.

The working principle of the SMCJ90CA-TP is rather simple. When a voltage pulse exceeding the rated peak clamping voltage is applied to the device, the diode switches to the "on" state and starts conducting current. This in turn reduces the input voltage to a safe operating level by clamping it to the "on" or "hard clamping" voltage. Once the pulse has passed, the diode switches back to its "off" state and the circuit returns to its normal operating voltage. The device can handle peak pulsed currents of up to 15A.

The SMCJ90CA-TV is a small, discreet TVS diode ideal for surface-mount applications where space is a prime concern. It provides protection from voltage pulses and surges by clamping the input voltage to a safe operating level. The device is extremely robust and can handle peak pulsed currents of up to 4340 Watts, allowing it to effectively protect the circuit from overvoltage conditions encountered in many different applications. It is also backed by an industry leading guarantee that ensures the device will function as expected for its entire operational lifetime.

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